Sony rose 1.50 percent to 1,690 yen. After markets closed, the electronics giant said it plans to buy a chip plant from Renesas Electronics for 7.5 billion yen, and invest another 27.5 billion to boost production of image sensors used in smartphones and other devices with cameras.

Nintendo recovered earlier losses to end 1.25 percent higher at 12,880 yen before the Japanese electronics giant announced its April-December financial results.

Hong Kong's benchmark Hang Seng Index added 180.97 points to end at 22,141.61 on turnover of HK$68.37 billion ($8.82 billion). Bargain buyers helped push the index higher after it tumbled almost five percent in the previous four sessions.

Mainland financial shares, which had been badly hit by sell offs earlier in the week, bounced back Wednesday. Industrial and Commercial Bank of China jumped 4.1 percent to HK$4.86 and China Construction Bank rose 2.5 percent to HK$5.41.

However, HK Electric, a newly public investment trust made up of tycoon Li Ka-shing's Hong Kong electricity assets tumbled two percent to HK$5.34 on its debut despite being Hong Kong's biggest IPO of the year.

The firm, which raised $3.11 billion earlier this month in an initial public offering, had slumped as much as four percent during the session.